diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 28 |
1 files changed, 27 insertions, 1 deletions
@@ -110,7 +110,12 @@ pub fn get_physical() -> usize { } -#[cfg(not(any(target_os = "linux", target_os = "windows", target_os="macos", target_os="openbsd")))] +#[cfg(not(any( + target_os = "linux", + target_os = "windows", + target_os = "macos", + target_os = "openbsd", + target_os = "aix")))] #[inline] fn get_num_physical_cpus() -> usize { // Not implemented, fall back @@ -327,11 +332,31 @@ fn get_num_physical_cpus() -> usize { cpus as usize } +#[cfg(target_os = "aix")] +fn get_num_physical_cpus() -> usize { + match get_smt_threads_aix() { + Some(num) => get_num_cpus() / num, + None => get_num_cpus(), + } +} + +#[cfg(target_os = "aix")] +fn get_smt_threads_aix() -> Option<usize> { + let smt = unsafe { + libc::getsystemcfg(libc::SC_SMT_TC) + }; + if smt == u64::MAX { + return None; + } + Some(smt as usize) +} + #[cfg(any( target_os = "nacl", target_os = "macos", target_os = "ios", target_os = "android", + target_os = "aix", target_os = "solaris", target_os = "illumos", target_os = "fuchsia") @@ -413,6 +438,7 @@ fn get_num_cpus() -> usize { target_os = "macos", target_os = "ios", target_os = "android", + target_os = "aix", target_os = "solaris", target_os = "illumos", target_os = "fuchsia", |